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Sun Shin Kwag
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Goyang-si, KR
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last 30 patents
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Patent Grant
Constant current circuit of high efficiency
Patent number
8,866,538
Issue date
Oct 21, 2014
Electronics and Telecommunications Research Institute
Hyun-Tak Kim
G05 - CONTROLLING REGULATING
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last 30 patents
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Patent Application
CONSTANT CURRENT CIRCUIT OF HIGH EFFICIENCY
Publication number
20130278327
Publication date
Oct 24, 2013
DONGWON SYSTEMS CORPORATION
Hyun-Tak Kim
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER